CONTAMINATE /kənˈtæmɪneɪt/ ► audio Scrabble 15 Words With Friends 19 Definition verb make impure. — synonyms: pollute, foul verb make radioactive by adding radioactive material. Examples “This water is contaminated. It isn't safe to drink.”“Do not contaminate the peanut butter with the jelly.” See all 381 words you can make from CONTAMINATE → 11-letter words Words starting with C Words ending with E ← Unscramble different letters